#include "parser-utils.h"
#include "paths.h"
-struct parser __grub2_parser;
-struct parser __kboot_parser;
-struct parser __native_parser;
-struct parser __yaboot_parser;
-
-static const struct parser *const parsers[] = {
-// &__native_parser,
- &__kboot_parser,
- &__grub2_parser,
- &__yaboot_parser,
- NULL
-};
+static int n_parsers;
+static struct parser **parsers;
static const int max_file_size = 1024 * 1024;
if (len > max_file_size)
goto err_close;
- buf = talloc_array(ctx, char, len);
+ buf = talloc_array(ctx, char, len + 1);
if (!buf)
goto err_close;
}
+ buf[len] = '\0';
+
close(fd);
*bufp = buf;
*lenp = len;
return join_paths(ctx, ctx->device->mount_path, filename);
}
+static int download_config(struct discover_context *ctx, char **buf, int *len)
+{
+ unsigned tempfile;
+ const char *file;
+ int rc;
+
+ file = load_url(ctx, ctx->conf_url, &tempfile);
+ if (!file)
+ return -1;
+
+ rc = read_file(ctx, file, buf, len);
+ if (rc)
+ goto out_clean;
+
+ return 0;
+
+out_clean:
+ if (tempfile)
+ unlink(file);
+ return -1;
+}
+
static void iterate_parser_files(struct discover_context *ctx,
const struct parser *parser)
{
}
}
-void iterate_parsers(struct discover_context *ctx)
+void iterate_parsers(struct discover_context *ctx, enum conf_method method)
{
- int i;
+ int rc, i, len;
+ char *buf;
pb_log("trying parsers for %s\n", ctx->device->device->id);
- for (i = 0; parsers[i]; i++) {
- pb_log("\ttrying parser '%s'\n", parsers[i]->name);
- iterate_parser_files(ctx, parsers[i]);
+ switch (method) {
+ case CONF_METHOD_LOCAL_FILE:
+ for (i = 0; i < n_parsers; i++) {
+ if (parsers[i]->method != CONF_METHOD_LOCAL_FILE)
+ continue;
+
+ pb_log("\ttrying parser '%s'\n", parsers[i]->name);
+ ctx->parser = parsers[i];
+ iterate_parser_files(ctx, ctx->parser);
+ }
+ ctx->parser = NULL;
+ break;
+
+ case CONF_METHOD_DHCP:
+ rc = download_config(ctx, &buf, &len);
+ if (rc) {
+ pb_log("\tdownload failed, aborting\n");
+ return;
+ }
+
+ for (i = 0; i < n_parsers; i++) {
+ if (parsers[i]->method != method)
+ continue;
+
+ pb_log("\ttrying parser '%s'\n", parsers[i]->name);
+ ctx->parser = parsers[i];
+ parsers[i]->parse(ctx, buf, len);
+ }
+
+ break;
+
+ case CONF_METHOD_UNKNOWN:
+ break;
+
}
}
+void __register_parser(struct parser *parser)
+{
+ parsers = talloc_realloc(NULL, parsers, struct parser *, n_parsers + 1);
+ parsers[n_parsers] = parser;
+ n_parsers++;
+}
+
void parser_init(void)
{
}